Mattress for an ambulance cot



FIG. 1 is a back perspective view of a mattress for an ambulance cot showing my new design;

FIG. 2 is a back view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top side view thereof; and,

FIG. 7 is a bottom side view thereof. 

The ornamental design for mattress for an ambulance cot, as shown and described. 